Mobile video without net connection or sim


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On this page we usually talk about technology that is directly useful in everyday life. Talking about such aspects of technology , which can help our school-college student or teacher and make office work a little smarter. Along with that , these pages keep on making the digital life a little more enjoyable and a little more safe, parallel to the living, throbbing lives of all of us .

However, along with such - immediately useful - things, sometimes we talk about things related to technology , but not very handy.

Today's topic is something similar. It is not immediately useful , but in a short time it is likely that it will be discussed and used by everyone.

A tech-term has been bandied about in the media for the past few months: direct-to-mobile (DtoM).

At present, when the maximum use of smartphones is spent on video or OTT platforms , it is natural that everyone is interested in the claim that ' videos can be watched on mobile without spending internet data plan ' .

There is some truth in this claim and let us know in detail what this dtum is.

The Government of India has been in the process of bringing about a huge change in the use of smartphones in the country for some time now. Before going deep into its details , let's talk a little about why such a change is needed .

Constantly increasing burden on internet/mobile network

Until now print newspaper , radio , TV , film , internet etc media had their own unique world. Now the line of demarcation between all these is getting blurred. So far apart from the content , there was a big difference in the technology how it reaches us i.e. reader , listener , viewer or visitor etc.

Talking technologically, newspapers , obviously, reach us by being printed on paper. Radio , TV mainly reach us by riding the waves. Films till recently reached us only through theaters or TV. While all the internet works mainly through cables and in the case of smartphones , cables and then signals reach us .

In terms of content, newspapers , radio , TV , film, etc., all types of media are now being transferred to the Internet in addition to their original form.

But this is the problem! The use of internet and smartphones for content delivery is increasing so tremendously that now even amidst the talk of 5G , 6G, it is becoming difficult for internet and mobile networks to handle the increasing data load day and night. In fact , about 70 percent of internet data is spent on video.

What is the remedy for this ? Technology experts feel that a great way to reduce the load on the Internet is to shift the video load from it to another ' someway ' !

Now things take an interesting turn!

Whether we watch a movie or a web series on OTT , watch a video on YouTube , be active on social media or use the Internet for office work are all different things. Although ultimately everything happens on the Internet , video is largely one-way communication and all other uses of the Internet are two-way communication , i.e. interactive.

If video could be broadcast on mobile like radio or TV, the burden on the internet would be reduced - a lot less nowadays! Direct-to-mobile (DtoM) technology is being developed for this purpose.

It's not just about reducing the burden of video

According to an estimate, there are about 28 crore households in India and only 10 crore of them have TVs. On the other hand, the people of India have about 80 crore smartphones and 25 crore feature phones! It means that if it is possible in a smartphone to receive a broadcast signal with the help of a direct dish or antenna in a TV, then it will be very easy to convey important things to millions of people at the same time.

If you remember, some time ago we received trial messages of emergency alert on our smartphones. Internet is fine to deliver this kind of message that can be helpful in disaster , if we don't have to rely on SIM card too ? Remember , there is no question of making any message or video viral , if you want to do that, you need the internet and its interactivity. Here it is a matter of broadcasting the video or message to every corner of the country by broadcasting only once.

Nowadays, if we want to read , watch or do anything on a smartphone , we need an internet connection. In our own smartphone we can get internet connectivity from a mobile company or from a Wi-Fi signal.

Now the effort is such that internet connection or SIM card is not required especially for watching video content in smartphones.

However , ' videos without internet or sim card! ' It is not like jumping with joy after reading this. The technology will initially be used mostly for broadcasting educational programs and sending emergency alerts from the government (compared to TV, start with Doordarshan , then later enjoy private channels!).

It is also natural that the companies that have invested billions of rupees for internet connectivity in smartphones across the country do not let their entire unit go away. Similarly, the government will not completely waive the need for internet connectivity in smartphones for obvious and reasonable reasons.

It is only a new method of one-way broadcasting.

How will the new technology work ?

The science behind direct-to-mobile technology is similar to the technology for radio. A radio in a person's hand can play programs from different radio stations using different radio frequencies. TV works in exactly the same way. In the same way, now efforts are being made that smartphones can also work.

This means smartphones can now do both radio and TV - without using the internet.

It is worth noting that in this way multimedia content can be played on the smartphone. That is, it is possible to relay a live TV match on a smartphone just like TV, so we don't have to install a data plan or a specific company's app in the mobile.

In June last year, IIT Kanpur issued a white paper about this new technology DTM broadcasting. This technology is being developed in association with IIT Kanpur , Prasar Bharti and Telecommunication Development Society.

Generally, India is ahead in adopting technology developed abroad. But this time India is taking the lead in the world regarding DTUM (of course , other countries are also working in this direction). This ' Made in India ' technology is considered to be the first of its kind in the entire world. IIT Kanpur calls the direct-to-mobile technology ' NextGen Broadcast (NGB) ' . Emphasis is being placed on developing a new type of broadcast system using the various types of technology currently available.

nS fuðk Ãkzfkhku Au?

After reading the main article on the side, surely a question arises in our mind that for the use of direct-to-mobile technology , it will be necessary to make any changes in the hardware of the smartphone ? Want an antenna like a radio or TV ?

To arrive at the answer , it is first necessary to know that two aspects are important for direct-to-mobile technology to be successful. One is Spectrum. The government wants to reduce the burden on spectrum used for telephone networks and TV broadcasting and allocate certain spectrum for direct-to-mobile networks.

On the other hand, a special type of hardware will be needed in the smartphone to receive the signals relayed from this spectrum. According to one possibility, it may be necessary to bring back the antenna which has disappeared in the smartphone. However, this work can be done with only one chip.

Officials associated with DTM technology say that just as smartphone handsets sold in India are currently being mandated to include hardware and chips for navigation with Indian constellation (Navik) in addition to GPS , hardware requirements for DTM technology are also being made mandatory for smartphone manufacturers. It is likely to come.

The destination is still a long way off!

yíÞkhu ðkík fux÷u ÃknkU[e Au?

According to India's Science and Technology Secretary, this technology is already mature and ready for use! After the initial lab trials, its field trials have also been conducted to a limited extent in Delhi, the capital of the country. A pilot trial covering the entire city is likely to be started now.

In the near future, the government is likely to simultaneously launch a pilot project to test direct-to-mobile technology in 19 cities of the country. If the results are encouraging, the Indian government is keen to launch direct-to-mobile technology across India by 2025. We may not have to wait long to enjoy videos without a SIM card.

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